The phrase "goes west" can be replaced with several synonyms, each carrying a slightly different connotation. One common synonym is "travels west," which suggests a purposeful journey. Another option is "heads west," which emphasizes the direction of movement. "Ventures west" implies a sense of adventure or risk-taking, while "migrates west" may be used to describe the movement of animals or people. "Moves westward" is a more formal alternative, while "journeys westward" adds a touch of antiquated charm. Regardless of which synonym is used, all describe movement towards the western direction and can add variation to written or spoken language.